Reference
Manfred A. Jäch, Juan Angel Diaz, Marek Przewozny (2007): Hydraena (s.str.) chersonesica sp.n. (Coleoptera: Hydraenidae), a newmember of the H. testacea species group from Crimea (Ukraine). – Annalen des Naturhistorischen Museums in Wien – 108B: 95 - 102.